Hypersthene
(Mg,Fe)SiO3 - Enstatite-Ferrosilite series
mineral
Category
Mineral Like Byproduct (Technogenic)
Browse mineral like byproduct (technogenic) specimens identified by the Rock Identifier community.
Learn about Mineral Like Byproduct (Technogenic) in the encyclopedia
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Limonite or Ironstone Nodule
Hydrated iron oxide-hydroxide (FeO(OH)·nH2O)
mineral
Fluorite
Fluoride (Calcium Fluoride - CaF2)
mineral
Sandstone
Arenite
sedimentary
Limonite with Gold-bearing Quartz
Hydrated Iron Oxide Hydroxide, FeO(OH)·nH2O
mineral
Sandstone Pebble
Arenite (typically SiO2)
sedimentary
Quartz Geode Fragment
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese
mineral
Obsidian
Obsidian (Volcanic Glass)
igneous
Sandstone
Arenite (primarily SiO2 with trace Fe2O3)
sedimentary
Coprolite
Coprolite (fossilized feces)
fossil
Limonite (Goethite/Ironstone)
Hydrated iron oxide-hydroxide, approximately FeO(OH)·nH2O
mineral
Dragonstone (Brecciated Basalt/Diabase with Epidote and Quartz)
Brecciated mafic igneous rock
igneous
Granitic Pegmatite with Schorl
Granitic Pegmatite (Schorl: NaFe3Al6(Si6O18)(BO3)3(OH)3OH)
igneous
Red Jasper / Carnelian Chalcedony
SiO2 (Silicon Dioxide with Iron Oxide inclusions)
gemstone
Prehnite
Prehnite - Ca2Al(AlSi3O10)(OH)2
mineral
Serpentinite
Serpentinite (composed largely of serpentine group minerals including antigorite, lizardite, and chrysotile)
metamorphic
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite (Primary mineral: SiO2)
metamorphic
Cherry Quartz with Rose Quartz
Crystalline Quartz (SiO2) with glass-based synthetic components
gemstone
Moss Agate
Silicon Dioxide (SiO2) with inclusions
mineral
Chrysocolla
Hydrated copper phyllosilicate, (Cu,Al)2H2Si2O5(OH)4·nH2O
mineral
Vanadinite
Vanadinite (Pb5(VO4)3Cl)
mineral
Dendritic Agate
Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions
mineral
Amygdaloidal Basalt
Amygdaloidal Basalt with Secondary Infilling (e.g., Agate, Quartz, or Zeolite)
igneous
Obsidian
Volcanic Glass (70% or more SiO2)
igneous
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Yellow Sapphire (Corundum)
Corundum (Aluminum Oxide, Al2O3)
mineral
Yellow Sapphire
Corundum (Al2O3) with iron impurities
mineral
Limonite (Ironstone)
FeO(OH)qn H2O
sedimentary
Dioptase
Dioptase (CuSiO3 · H2O)
mineral
Orthoclase Feldspar
Potassium aluminum silicate (KAlSi3O8)
mineral
Fluorite
Calcium fluoride, CaF2
Mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Greenstone (Epidote/Chlorite Rich Rock)
Metabasalt (often contains Epidote Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH))
metamorphic
Chrysocolla
Hydrated copper phyllosilicate, (Cu,Al)2H2Si2O5(OH)4·nH2O
mineral
Botryoidal Quartz
Silicon Dioxide (SiO2)
mineral
Fluorite on Matrix
Calcium Fluoride (CaF2)
mineral
Fossilized Shark Tooth (Megalodon or Carcharocles species fragment)
Otodus megalodon / Carcharocles spp. (Apatite / Calcium Phosphate)
fossil
Sedimentary Sandstone with Iron Oxide
Ferruginous Sandstone
sedimentary